

#ifndef __C_GUI_IN_OUT_FADER_H_INCLUDED__
#define __C_GUI_IN_OUT_FADER_H_INCLUDED__

#include "IGUIInOutFader.h"

namespace irr
{
    namespace gui
    {

        class CGUIInOutFader : public IGUIInOutFader
        {
        public:

            //! constructor
            CGUIInOutFader(IGUIEnvironment* environment, IGUIElement* parent,
                s32 id, core::rect<s32> rectangle);

            //! destructor
            ~CGUIInOutFader();

            //! draws the element and its children
            virtual void draw();

            //! Gets the color to fade out to or to fade in from.
            virtual video::SColor getColor() const;

            //! Sets the color to fade out to or to fade in from.
            virtual void setColor(video::SColor color);

            //! Starts the fade in process.
            virtual void fadeIn(u32 time);

            //! Starts the fade out process.
            virtual void fadeOut(u32 time);

            //! Returns if the fade in or out process is done.
            virtual bool isReady() const;

        private:

            enum EFadeAction
            {
                EFA_NOTHING = 0,
                EFA_FADE_IN,
                EFA_FADE_OUT
            };

            u32 StartTime;
            u32 EndTime;
            EFadeAction Action;		

            video::SColor Color;
            video::SColor FullColor;
            video::SColor TransColor;

        };

    } // end namespace gui
} // end namespace irr

#endif

